A leading advertising executive told the IOC on Sunday that the Olympic body needs to stay relevant with the younger generation and concentrate more of its content on the Internet and via mobile devices.

The World Health Organization has asked the IOC to analyze virus levels in Rio de Janeiro's Olympic waters, and the governing body of world sailing says it will start doing its own independent virus tests.

The vote to decide the 2022 Winter Olympics host city should have taken about 10 minutes using tablet-like electronic devices. Instead, a technical glitch left 85 voting members of the International Olympic Committee using paper ballots to ultimately give Beijing the nod.